Bug 494664. Minor color-related cleanup. r=jmuizel,sr=vlad

--HG--
extra : rebase_source : a81d48bb0fa9faac3806b7a609d35a9eb5bdffd9

gfx/src/nsColor.cpp

@@ -75,7 +75,7 @@ void nsColorNames::AddRefTable(void)
 #ifdef DEBUG
     {
       // let's verify the table...
-      for (PRInt32 index = 0; index < eColorName_COUNT; ++index) {
+      for (PRUint32 index = 0; index < eColorName_COUNT; ++index) {
         nsCAutoString temp1(kColorNames[index]);
         nsCAutoString temp2(kColorNames[index]);
         ToLowerCase(temp1);

gfx/thebes/public/gfxColor.h

@@ -117,8 +117,8 @@
 
 /**
  * Fast approximate division by 255. It has the property that
- * for all 0 <= n <= 255*255, FAST_DIVIDE_BY_255(n) == n/255.
- * But it only uses two adds and two shifts instead of an 
+ * for all 0 <= n <= 255*255, GFX_DIVIDE_BY_255(n) == n/255.
+ * But it only uses two adds and two shifts instead of an
  * integer division (which is expensive on many processors).
  *
  * equivalent to ((v)/255)